Come on man, it's supposed to look real. If it was obvious what he does the trick would be worthless.
it's old as fuck though, I guess u don't watch tv at all. Now its pretty much one of the "old magic tricks" that everyone knows about.
It's mostly about pscyhology, just notice the acting.
It's one thing to do an illusion (like the one u posted, perfectly fine in my book) but another to outright deceive people and make 'em think u're doing a legit trick. Fuck Chris Angel.